#include <stdio.h>
#include <stdlib.h>

void up_down(int n);
int main(int argc, char *argv[])
{
	up_down(1);
	exit(0);
}

void up_down(int n)
{
	printf("Level %d: n\t Location %p\n", n, &n);
	if (n < 4) {
		up_down(n + 1);
	}
	printf("Level %d: n\t Location %p\n", n, &n);
}
